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Robert A. Heinlein Quotes
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Robert Anson Heinlein was an American science fiction writer. Often called the "dean of science fiction writers", his sometimes controversial works continue to have an influential effect on the genre, and on modern culture more generally.

Heinlein became one of the first American science fiction writers to break into mainstream magazines such as The Saturday Evening Post in the late 1940s. He was one of the best-selling science fiction novelists for many decades, and he, Isaac Asimov, and Arthur C. Clarke are often considered the "Big Three" of English-language science fiction authors. Among his most notable works are Stranger in a Strange Land, Starship Troopers, which helped create the space marine and mecha archetypes, and the libertarian novel The Moon is a Harsh Mistress.

A writer also of numerous science fiction short stories, Heinlein was one of a group of writers who came to prominence under the editorship of John W. Campbell at his Astounding Science Fiction magazine; however, Heinlein denied that Campbell influenced his writing to any great degree.

Within the framework of his science fiction stories, Heinlein repeatedly addressed certain social themes: the importance of individual liberty and self-reliance, the obligation individuals owe to their societies, the influence of organized religion on culture and government, and the tendency of society to repress nonconformist thought. He also speculated on the influence of space travel on human cultural practices.

Heinlein was named the first Science Fiction Writers Grand Master in 1974. He won Hugo Awards for four of his novels; in addition, fifty years after publication, five of his works were awarded "Retro Hugos"—awards given retrospectively for works that were published before the Hugo Awards came into existence. In his fiction, Heinlein coined terms that have become part of the English language, including "grok", "waldo", and "speculative fiction", as well as popularizing existing terms like "TANSTAAFL", "pay it forward", and "space marine". He also anticipated mechanical computer aided design with "Drafting Dan" and described a modern version of a waterbed in his novel The Door into Summer, though he never patented or built one. In the first chapter of the novel Space Cadet he anticipated the cell-phone, 35 years before Motorola invented the technology. Several of Heinlein's works have been adapted for film and television.

✵ 7. July 1907 – 8. May 1988  •  Other names Robert Heinlein, Роберт Энсон Хайнлайн
Robert A. Heinlein photo
Robert A. Heinlein: 557 quotes68 likes

Robert A. Heinlein Quotes

“A man has to grow up in a language to be able to understand it scrambled.”

Robert A. Heinlein book Sixth Column

Source: Sixth Column (1949; originally serialized in 1941), Chapter 9 (p. 108)

“How long has this racket been going on?”

Robert A. Heinlein book Grumbles from the Grave

Remark after receiving a $70 US check for his first published story.
Grumbles from the Grave (1989)

“There comes a time in the life of every human when he or she must decide to risk "his life, his fortune, and his sacred honor" on an outcome dubious. Those who fail the challenge are merely overgrown children, can never be anything else.”

Robert A. Heinlein book Stranger in a Strange Land

Stranger in a Strange Land (1961; 1991)

“He was still having trouble readjusting. Wars were something you studied, not something that actually happened.”

Robert A. Heinlein book Between Planets

Source: Between Planets (1951), Chapter 1, “New Mexico” (p. 9)

“Reason is poor propaganda when opposed by the yammering, unceasing lies of shrewd and evil and self-serving men.”

Robert A. Heinlein book Assignment in Eternity

Assignment in Eternity (1953)

“The Koran cannot be translated — the "map" changes on translation no matter how carefully one tries.”

Robert A. Heinlein

Robert A. Heinlein, in Stranger in a Strange Land (1961)

“I learned before you were born that when someone wants to see me in a hurry, the urgency is almost never mutual.”

Robert A. Heinlein book The Number of the Beast

Source: The Number of the Beast (1980), Chapter XXIX : “—we place no faith in princes.”, p. 290

“There has grown up in the minds of certain groups in this country the notion that because a man or corporation has made a profit out of the public for a number of years, the government and the courts are charged with the duty of guaranteeing such profit in the future, even in the face of changing circumstances and contrary public interest. This strange doctrine is not supported by statute nor common law. Neither individuals nor corporations have any right to come into court and ask that the clock of history be stopped, or turned back, for their private benefit.”

Robert A. Heinlein book Life-Line

Life-Line (p. 25)
Short fiction, The Past Through Tomorrow (1967)

“I've heard all the usual Sweetness and Light that kids get pushed at them—how they should always forgive, how there’s some good in the worst of us, etc. But when I see a black widow, I step on it; I don’t plead with it to be a good little spider and please stop poisoning people. A black widow spider can’t help it—but that’s the point.”

Robert A. Heinlein book Have Space Suit—Will Travel

Source: Have Space Suit—Will Travel (1958), Chapter 10

“The police of a state should never be stronger or better armed than the citizenry. An armed citizenry, willing to fight, is the foundation of civil freedom. That’s a personal evaluation, of course.”

Robert A. Heinlein book Beyond This Horizon

Source: Beyond This Horizon (1948; originally serialized in 1942), Chapter 9, “When we die, do we die all over?”, p. 97

“Bill, why is it that some apparently-grown men never learn to do simple arithmetic?”

Robert A. Heinlein book Farmer in the Sky

Source: Farmer in the Sky (1950), Chapter 14, “Land of My Own” (p. 142)

“Go ahead. Go right ahead. Don’t let me discourage you. Any objections from me would simply confirm your preconceptions.”

Robert A. Heinlein book The Rolling Stones

Source: The Rolling Stones (1952), Chapter 14, “Flat Cats Factorial” (p. 187)

““What sort of a remark?”
“Just priestly mumbo-jumbo. Impressive and no real meaning. Can you do it?”
“I think so—I used to sell magazine subscriptions.””

Robert A. Heinlein book Sixth Column

Source: Sixth Column (1949; originally serialized in 1941), Chapter 10 (p. 127)

““What course of action do you favor?”
“Me? Why, none. Mary, if there is any one thing I have learned in the past couple of centuries, it’s this: These things pass. Wars and depressions and Prophets and Covenants—they pass. The trick is to stay alive through them.””

Robert A. Heinlein

“Methuselah’s Children” Part 1, Chapter 1, p. 539
Short fiction, The Past Through Tomorrow (1967)

“Beat the plowshares back into swords; the other was a maiden aunt’s fancy.”

Robert A. Heinlein book The Puppet Masters

Source: The Puppet Masters (1951), Chapter 35 (p. 174)

“Premenstrual Syndrome: Just before their periods women behave the way men do all the time.”

Robert A. Heinlein book The Cat Who Walks Through Walls

credited to Lowell Stone, M.D., born 2144; chapter 15, p. 185
The Cat Who Walks Through Walls (1985)

“First they junked the concept of “justice.” Examined semantically “justice” has no referent—there is no observable phenomenon in the space-time-matter continuum to which one can point, and say, “This is justice.” Science can deal only with that which can be observed and measured. Justice is not such a matter; therefore it can never have the same meaning to one as to another; any “noises” said about it will only add to confusion.
But damage, physical or economic, can be pointed to and measured. Citizens were forbidden by the Covenant to damage another. Any act not leading to damage, physical or economic, to some particular person, they declared to be lawful.”

Robert A. Heinlein

“Coventry”, pp. 500-501; originally published in Astounding Science Fiction (July 1940)
Short fiction, The Past Through Tomorrow (1967)

“High I. Q., good compatibility index, superior education—everything that makes a person pleasant and easy and interesting to have around.”

Robert A. Heinlein book The Past Through Tomorrow

The Long Watch (p. 255)
The Past Through Tomorrow (1967)

“People tend to fall into three psychological types, all differently motivated. There is the type, motivated by economic factors, money…And there is the type motivated by ‘face,’ or pride. This type is a spender, fighter, boaster, lover, sportsman, gambler; he has a will to power and an itch for glory. And there is the professional type, which claims to follow a code of ethics rather than simply seeking money or glory—priests and ministers, teachers, scientists, medical men, some artists and writers. The idea is that such a man believes that he is devoting his life to some purpose more important than his individual self. You follow me?”

Robert A. Heinlein book Space Cadet

Source: Space Cadet (1948), Chapter 9 “Long Haul”, p. 111

“From my point of view, a great deal of openly expressed piety is insufferable conceit.”

Robert A. Heinlein book If This Goes On

If This Goes On— (p. 431)
Short fiction, The Past Through Tomorrow (1967)

““You have us going faster than light.”
“I thought the figures were a bit large.””

Robert A. Heinlein book The Rolling Stones

Source: The Rolling Stones (1952), Chapter 8, “The Mighty Room” (p. 100)

“Natural selection—the dying out of the poorly equipped—goes on day in and day out, inexorable and automatic. It is as tireless, as inescapable, as entropy.”

Robert A. Heinlein book Beyond This Horizon

Source: Beyond This Horizon (1948; originally serialized in 1942), Chapter 14, “—and beat him when he sneezes”, p. 134

“We may eliminate death someday but I doubt if we’ll ever eliminate taxes.”

Robert A. Heinlein book I Will Fear No Evil

Source: I Will Fear No Evil (1970), Chapter 24, p. 406

“A religion is sometime a source of happiness, and I would not deprive anyone of happiness. But it is a comfort appropriate for the weak, not for the strong. The great trouble with religion — any religion — is that a religionist, having accepted certain propositions by faith, cannot thereafter judge those propositions by evidence. One may bask at the warm fire of faith or choose to live in the bleak uncertainty of reason — but one cannot have both.”

Robert A. Heinlein book Friday

Friday (1983)

““Going to dance at my wake?”
“I don’t dance,” the lawyer answered, “but you tempt me to learn.””

Robert A. Heinlein book I Will Fear No Evil

Source: I Will Fear No Evil (1970), Chapter 1, p. 13

“The next higher level is to work, fight, and sometimes die for your own immediate family. This is the level at which six pounds of mother cat can be so fierce that she'll drive off a police dog. It is the level at which a father takes a moonlighting job to keep his kids in college — and the level at which a mother or father dives into a flood to save a drowning child … and it is still moral behavior even when it fails.”

Robert A. Heinlein

The Pragmatics of Patriotism (1973)

“Don, have you been dealing with a booklegger?”

Robert A. Heinlein book Between Planets

Source: Between Planets (1951), Chapter 1, “New Mexico” (p. 10) - Mr. Reeves, asking the main character why he was in possession of a forbidden book discussing interplanetary politics.

“A second sun blazed white and swelled visibly as he watched. What on Earth would have been—so many times had been—a climbing mushroom cloud was here in open space a perfect geometrical sphere, growing unbelievably. It swelled still larger, dropping from limelight white to to silvery violet, became blotched with purple, red and flame. And still it grew, until it blanked out the earth beyond it.
At the time it had been transformed into a radioactive cosmic cloud Circum-Terra had been passing over, or opposite, the North Atlantic; the swollen incandescent cloud was visible to most of the habitable portions of the globe, a burning symbol in the sky.”

Robert A. Heinlein book Between Planets

Source: Between Planets (1951), Chapter 6, “The Sign in the Sky” (p. 75)

“It was so darn quiet you could hear your hair grow.”

Robert A. Heinlein book Farmer in the Sky

Source: Farmer in the Sky (1950), Chapter 13, “Johnny Appleseed” (p. 131)

“We lived like that “Happy Family“ you sometimes see in traveling zoos: a lion caged with a lamb. It is a startling exhibit but the lamb has to be replaced frequently.”

Robert A. Heinlein book Have Space Suit—Will Travel

Source: Have Space Suit—Will Travel (1958), Chapter 7

“This Universe never did make sense; I suspect that it was built on government contract.”

Robert A. Heinlein book The Number of the Beast

Source: The Number of the Beast (1980), Chapter II : “This Universe never did make sense—”, p. 16

“Man is not a rational animal; he is a rationalizing animal.”

Robert A. Heinlein book Tunnel in the Sky

Source: Tunnel in the Sky (1955), Chapter 2, “The Fifth Way” (p. 42)

“I am forced to conclude that being right has little to do with holding a woman’s affections.”

Robert A. Heinlein book The Number of the Beast

Source: The Number of the Beast (1980), Chapter XXVI : The Keys to the City, p. 243

“History is never surprising—after it happens.”

Robert A. Heinlein book Logic of Empire

Logic of Empire (p. 333)
Short fiction, The Past Through Tomorrow (1967)

“Hamilton took a deep breath, let it out, then said, “Listen to me. I don’t know much about women, and sometimes it seems like I didn’t know anything about them. But I’m sure of this—she won’t let a little thing like you taking a pot shot at her stand in the way if you ever had any chance with her at all. She’ll forgive you.”
“You don’t really mean that, do you?” Monroe-Alpha’s face was still tragic, but he clutched at the hope.
“Certainly I do. Women will forgive anything.” With a flash of insight he added, “Otherwise the race would have died out long ago.””

Robert A. Heinlein book Beyond This Horizon

Source: Beyond This Horizon (1948; originally serialized in 1942), Chapter 10, “—the only game in town”, pp. 108-109

“There was nothing under her clothes but girl and assorted items of lethal hardware.”

Robert A. Heinlein book The Puppet Masters

Source: The Puppet Masters (1951), Chapter 4 (p. 28)

“The point is, your request for a lawyer comes about two hundred years too late to be meaningful. The verbalisms lag behind the facts. Nevertheless, you shall have a lawyer—or a lollipop, whichever you prefer, after I am through questioning you. If I were you, I’d take the lollipop. More nourishing.”

Robert A. Heinlein book Between Planets

Source: Between Planets (1951), Chapter 3, “Hunted” (p. 38) - Secret Service officer to the main character during an interrogation.

“There is one thing no head of a country can know, and that is: how good is his intelligence system? He finds out only by having it fail him.”

Robert A. Heinlein book The Puppet Masters

Source: The Puppet Masters (1951), Chapter 1 (p. 7)

“Cats have no sense of humor, they have terribly inflated egos, and they are very touchy.”

Robert A. Heinlein

Source: The Door Into Summer (1957), Chapter 2

“Must be a yearning deep in human heart to stop other people from doing as they please. Rules, laws — always for other fellow. A murky part of us, something we had before we came down out of trees, and failed to shuck when we stood up. Because not one of those people said: Please pass this so that I won't be able to do something I know I should stop. Nyet, tovarishchee, was always something they hated to see neighbors doing. Stop them for their own good.”

Robert A. Heinlein book The Moon Is a Harsh Mistress

The Moon Is a Harsh Mistress (1966)

“Acronym for "There Ain't No Such Thing As A Free Lunch." The origin of this phrase is often misattributed to Heinlein or Milton Friedman, but it actually dates back to at least the 1930s. Heinlein's contribution was to make the acronym for it.”

Robert A. Heinlein book The Moon Is a Harsh Mistress

The Moon Is a Harsh Mistress (1966)

“The situation has multifarious ramifications not immediately apparent to the unassisted optic.”

Robert A. Heinlein book The Rolling Stones

Source: The Rolling Stones (1952), Chapter 13, “Caveat Vendor” (pp. 177-178)

“‘Magic,’” I stated, “is a symbol for any process not understood.”

Robert A. Heinlein book The Number of the Beast

Source: The Number of the Beast (1980), Chapter XVII : The world wobbled—, p. 151

“It is better to be a lively frump than a stylish corpse.”

Robert A. Heinlein book The Number of the Beast

Source: The Number of the Beast (1980), Chapter XXIII : “The farce is over.”, p. 212

“I said, “What do you think about it, Paul?”
The boss smiled gently. “I don’t. I haven’t enough data.””

Robert A. Heinlein book Farmer in the Sky

Source: Farmer in the Sky (1950), Chapter 18, “Pioneer Party” (pp. 193-194)

“When had a slave religion proved anything but an aid to the conqueror? Slaves needed a wailing wall; they went into their temples, prayed to their gods to deliver them from oppression, and came out to work in the fields and factories, relaxed and made harmless by the emotional catharsis of prayer.”

Robert A. Heinlein book Sixth Column

Source: Sixth Column (1949; originally serialized in 1941), Chapter 9 (p. 108)

“Random numbers are to a computer what free will is to a human being.”

Robert A. Heinlein book The Number of the Beast

Source: The Number of the Beast (1980), Chapter XXI : —three seconds is a long time—, p. 180

“When a fact came along, he junked theories that failed to match.”

Robert A. Heinlein book Have Space Suit—Will Travel

Source: Have Space Suit—Will Travel (1958), Chapter 12

““Thanks, awfully,” said Thomas. “Now… uh… what do I owe you for this?”
Finney’s reaction made him feel as if he had uttered some indecency. “Don’t mention payment, my son! Money is wrong—it’s the means whereby man enslaves his brother.”
“I beg your pardon, sir,” Thomas apologized sincerely. “Nevertheless, I wish there were some way for me to do something for you.”
“That is another matter. Help your brother when you can, and help will come to you when you need it.””

Robert A. Heinlein book Sixth Column

Source: Sixth Column (1949; originally serialized in 1941), Chapter 2 (pp. 24-25)

“Fighting continued on a token basis, and the dead did not complain.”

Robert A. Heinlein book I Will Fear No Evil

Source: I Will Fear No Evil (1970), Chapter 12, p. 171